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Finding the Fourth Proportional to 491,063.79, 736,706.51 and 149,537.77

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Solution

The fourth proportional to 491,063.79, 736,706.51 and 149,537.77 is: 224,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,063.79 : 736,706.51 = 149,537.77 : x
  2. Step 2: Convert to fraction form
    491,063.79/736,706.51 = 149,537.77/x
  3. Step 3: Cross multiply
    491,063.79x = 736,706.51 × 149,537.77
  4. Step 4: Simplify right side
    491,063.79x = 110,165,445,239.87
  5. Step 5: Solve for x
    x = 110,165,445,239.87/491,063.79
  6. Step 6: Final answer
    x = 224,340.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.